<template>
  <el-container class="home-container">
    <!-- 头部区域 -->
    <el-header>
      <div>
        <img src="../assets/heima.png" alt />
        <span>电商后台管理系统</span>
      </div>
      <el-button type="info" @click="logout">登出</el-button>
    </el-header>
    <!-- 页面主体区域 -->
    <el-container>
      <!-- 侧边栏 -->
      <el-aside :width="!isCollapse?'200px':'64px'">
        <!-- 菜单折叠按钮 -->
        <div class="toggle-button" @click="toggleCollapse">|||</div>
        <!-- 侧边栏菜单 -->
        <el-menu background-color="#333744" text-color="#fff" active-text-color="#409efe" :unique-opened=true 
        :collapse="isCollapse" :collapse-transition="false" :router="true" :default-active="$router.history.current.path">
          <!-- 一级菜单 -->
          <el-submenu :index="item.id+''" v-for="item in menuList" :key="item.id">
            <!-- 一级菜单模板区域 -->
            <template slot="title">
              <!-- 图标 -->
              <i :class="iconObj[item.id]"></i>
              <!-- 文本 -->
              <span>{{item.authName}}</span>
            </template>
            <!-- 二级菜单 -->
            <el-menu-item :index="'/'+subItem.path" v-for="subItem in item.children" :key="subItem.id">
              <template slot="title">
                <!-- 图标 -->
                <i class="el-icon-menu"></i>
                <!-- 文本 -->
                <span>{{subItem.authName}}</span>
              </template>
            </el-menu-item>
          </el-submenu>
        </el-menu>
      </el-aside>
      <!-- 右侧内容主题 -->
      <el-main>
        <router-view></router-view>
      </el-main>
    </el-container>
  </el-container>
</template>

<script>
export default {
  name: "home",
  data() {
    return {
      menuList: [],
      iconObj:{
        "125":'el-icon-user-solid',
        "103":"el-icon-s-management",
        '101':'el-icon-s-goods',
        '102':'el-icon-s-order',
        '145':'el-icon-s-marketing'
      },
      isCollapse:false
    };
  },
  created() {
    this.getMenuList();
  },
  methods: {
    /**
     * 登出
     */
    logout() {
      window.sessionStorage.removeItem("token");
      this.$router.push("/login");
    },

    /**
     * 获得所有菜单
     */
    async getMenuList() {
      const { data: res } = await this.$http.get("menus");
      // console.log(res);
      if (res.meta.status != 200) {
        return this.$message.error(res.meta.msg);
      }
      this.menuList = res.data;
      // console.log(res);
    },
    /**
     * 菜单折叠
     */
    toggleCollapse(){
      this.isCollapse=!this.isCollapse;
    }
  }
};
</script>

<style lang="less" scoped>
.home-container {
  height: 100%;
}
.el-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  background-color: #373d41;
  padding-left: 0px;

  > div {
    display: flex;
    font-size: 20px;
    color: #fff;
    align-items: center;
    > span {
      margin-left: 15px;
    }
  }
}
.el-aside {
  background-color: #333744;

  .toggle-button{
    background-color: #4A5064;
    font-size: 10px;
    line-height: 24px;
    text-align: center;
    color: #fff;
    letter-spacing: 0.2em;
    cursor: pointer;
  }
  .el-menu {
    border-right: none;
  }
}
.el-main {
  background-color: #eaedf1;
}
</style>